Australian Government Bureau of Meteorology Western Australia TOP PRIORITY FOR IMMEDIATE BROADCAST Heatwave Warning Issued at 01:47 PM WST on Thursday 11 December 2025 Valid for Thursday 11 December 2025 to Sunday 14 December 2025 Warning for the following areas: Gascoyne, South Interior and Lower West Cancellation for the following areas: Pilbara and North Interior Safety Advice: Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell. Seek a place to keep cool, such as your home, a library, community centre or shopping centre. Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home. If available, use fans or air-conditioners to keep cool. Maximum temperatures ranging from the high thirties to the mid forties and overnight minimum temperatures in the mid to high twenties. Severe heatwave conditions are expected to contract southwards and persist over southern WA into next week. Locations likely to be impacted include Gingin, Meekatharra and Warburton. The next heatwave warning will be issued by 2:00pm WST on Friday 12 December 2025